Fatal error: Uncaught RedisException: Connection refused in /www/wwwroot/quwanbei.com/ask_list.php:21 Stack trace: #0 /www/wwwroot/quwanbei.com/ask_list.php(21): Redis->connect('127.0.0.1', 6379) #1 {main} thrown in /www/wwwroot/quwanbei.com/ask_list.php on line 21